code: def testStockChartsRSI(self):
      # Test data from http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators:relative_strength_in
      common.test_from_csv(
          self, "rsi-test.csv", lambda inputDS: rsi.RSI(inputDS, 14), 3
      )
  
file_path: pyalgotrade/testcases/technical_rsi_test.py
imports: from .None import common
  from pyalgotrade.technical import rsi
  from pyalgotrade import dataseries
label_desc: Use image node_id 3 for calling the TestCase obj's underlying member method code with example usage: obj.testStockChartsRSI() without return types